import sqlite3

con = sqlite3.connect('../../mysite/db.sqlite3')
cur = con.cursor()

for i in range(105):
    cur.execute(f"insert into main_book values ({i+100},'标题{i+100}','简介简介简介简介简介简介简介简介简介{i+100}')")

con.commit()
cur.close()
con.close()